PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-04:42:50
G10     261.5          34.6                9.8 +/-    0.64      15.7 +/-    0.64  0.110 / 0.280
G13     44.8           22.4                5.2 +/-    0.89      10.8 +/-    0.89  0.140 / 0.260
G15     66.0           52.7                6.9 +/-    0.41       8.4 +/-    0.41  0.050 / 0.060
G16     283.2          13.7                7.8 +/-    1.11      20.1 +/-    1.11  0.060 / 0.050
G20     317.5          67.8                6.2 +/-    0.66       6.6 +/-    0.66  0.180 / 0.310
G21     350.2          68.1                5.3 +/-    0.86       5.7 +/-    0.86  0.130 / 0.370
G24     124.3          11.1                2.5 +/-   16.95       6.8 +/-   16.95  0.090 / 0.110
G26     255.8          10.3                8.5 +/-    2.46      23.7 +/-    2.46  0.090 / 0.090
G27     320.6          14.9                4.5 +/-    1.70      11.3 +/-    1.70  0.080 / 0.260
G29     167.6          37.5               10.0 +/-    0.99      15.2 +/-    0.99  0.070 / 0.240